{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:ZQ7SACDEIG7KDVDW5HTK5TBTJJ","short_pith_number":"pith:ZQ7SACDE","canonical_record":{"source":{"id":"2607.15874","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-17T11:41:22Z","cross_cats_sorted":[],"title_canon_sha256":"bf5b1d489fdc2316623493859ecb8a44299349480bc50ba8d93de33d151137ff","abstract_canon_sha256":"273361762f50a43d5157832b29ee00454df98a891b8932b28442189f483ba6c6"},"schema_version":"1.0"},"canonical_sha256":"cc3f20086441bea1d476e9e6aecc334a4dbbfc6494a578ff4719fe8978de6ea2","source":{"kind":"arxiv","id":"2607.15874","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.15874","created_at":"2026-07-20T01:19:14Z"},{"alias_kind":"arxiv_version","alias_value":"2607.15874v1","created_at":"2026-07-20T01:19:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.15874","created_at":"2026-07-20T01:19:14Z"},{"alias_kind":"pith_short_12","alias_value":"ZQ7SACDEIG7K","created_at":"2026-07-20T01:19:14Z"},{"alias_kind":"pith_short_16","alias_value":"ZQ7SACDEIG7KDVDW","created_at":"2026-07-20T01:19:14Z"},{"alias_kind":"pith_short_8","alias_value":"ZQ7SACDE","created_at":"2026-07-20T01:19:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:ZQ7SACDEIG7KDVDW5HTK5TBTJJ","target":"record","payload":{"canonical_record":{"source":{"id":"2607.15874","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-17T11:41:22Z","cross_cats_sorted":[],"title_canon_sha256":"bf5b1d489fdc2316623493859ecb8a44299349480bc50ba8d93de33d151137ff","abstract_canon_sha256":"273361762f50a43d5157832b29ee00454df98a891b8932b28442189f483ba6c6"},"schema_version":"1.0"},"canonical_sha256":"cc3f20086441bea1d476e9e6aecc334a4dbbfc6494a578ff4719fe8978de6ea2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-20T01:19:14.818641Z","signature_b64":"8nQGvwU9bMaeaDETDPQHX3KgC7ixhGpe7EToMrFjp4ZfncB81BFNKuIEYA6fXmBMd5OGzNPm233Ui01SHgDIBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cc3f20086441bea1d476e9e6aecc334a4dbbfc6494a578ff4719fe8978de6ea2","last_reissued_at":"2026-07-20T01:19:14.817783Z","signature_status":"signed_v1","first_computed_at":"2026-07-20T01:19:14.817783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.15874","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-20T01:19:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4V5/MJAvvCMEYP7mGFR1UgujF6mtlI14jAAu6tOUEUOEtpStknv9MvPQHqJEDI44Ncx74MnCz/dp1LDmYFoACw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T23:06:04.087143Z"},"content_sha256":"94f1e71169216ffa929cb4f04267c86615dced73223ac2360fcfa8b167aad425","schema_version":"1.0","event_id":"sha256:94f1e71169216ffa929cb4f04267c86615dced73223ac2360fcfa8b167aad425"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:ZQ7SACDEIG7KDVDW5HTK5TBTJJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The statistical disturbance bound of quantum measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Roope Uola, Sebastian Schl\\\"osser, Ties-A. Ohst","submitted_at":"2026-07-17T11:41:22Z","abstract_excerpt":"Quantifying the disturbance caused by a quantum measurement typically requires detailed knowledge of the underlying measurement channel. In this work, we introduce a statistical disturbance bound, which connects the statistical properties of a quantum measurement to the state disturbance induced by any compatible measurement channel. Specifically, we show that the average fidelity between input and output with respect to an arbitrary ensemble of pure input states is fundamentally bounded in terms of the measurement, described as a positive operator-valued measure (POVM). We further develop the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.15874","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.15874/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-20T01:19:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XyLzfQ7WHRi4DzWB3Yzad/rCEigCdoc80cmO77fO7mDH8Q12pkBQFZz963Ed/ZjquGx9ApRZwk3eB5JELMvaBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T23:06:04.087716Z"},"content_sha256":"7131925d71b4af4e64cccd843f3aed8665aa6b936ba81c2c77886b1d0d7a2396","schema_version":"1.0","event_id":"sha256:7131925d71b4af4e64cccd843f3aed8665aa6b936ba81c2c77886b1d0d7a2396"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZQ7SACDEIG7KDVDW5HTK5TBTJJ/bundle.json","state_url":"https://pith.science/pith/ZQ7SACDEIG7KDVDW5HTK5TBTJJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZQ7SACDEIG7KDVDW5HTK5TBTJJ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-04T23:06:04Z","links":{"resolver":"https://pith.science/pith/ZQ7SACDEIG7KDVDW5HTK5TBTJJ","bundle":"https://pith.science/pith/ZQ7SACDEIG7KDVDW5HTK5TBTJJ/bundle.json","state":"https://pith.science/pith/ZQ7SACDEIG7KDVDW5HTK5TBTJJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZQ7SACDEIG7KDVDW5HTK5TBTJJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:ZQ7SACDEIG7KDVDW5HTK5TBTJJ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"273361762f50a43d5157832b29ee00454df98a891b8932b28442189f483ba6c6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-17T11:41:22Z","title_canon_sha256":"bf5b1d489fdc2316623493859ecb8a44299349480bc50ba8d93de33d151137ff"},"schema_version":"1.0","source":{"id":"2607.15874","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.15874","created_at":"2026-07-20T01:19:14Z"},{"alias_kind":"arxiv_version","alias_value":"2607.15874v1","created_at":"2026-07-20T01:19:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.15874","created_at":"2026-07-20T01:19:14Z"},{"alias_kind":"pith_short_12","alias_value":"ZQ7SACDEIG7K","created_at":"2026-07-20T01:19:14Z"},{"alias_kind":"pith_short_16","alias_value":"ZQ7SACDEIG7KDVDW","created_at":"2026-07-20T01:19:14Z"},{"alias_kind":"pith_short_8","alias_value":"ZQ7SACDE","created_at":"2026-07-20T01:19:14Z"}],"graph_snapshots":[{"event_id":"sha256:7131925d71b4af4e64cccd843f3aed8665aa6b936ba81c2c77886b1d0d7a2396","target":"graph","created_at":"2026-07-20T01:19:14Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2607.15874/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantifying the disturbance caused by a quantum measurement typically requires detailed knowledge of the underlying measurement channel. In this work, we introduce a statistical disturbance bound, which connects the statistical properties of a quantum measurement to the state disturbance induced by any compatible measurement channel. Specifically, we show that the average fidelity between input and output with respect to an arbitrary ensemble of pure input states is fundamentally bounded in terms of the measurement, described as a positive operator-valued measure (POVM). We further develop the","authors_text":"Roope Uola, Sebastian Schl\\\"osser, Ties-A. Ohst","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-17T11:41:22Z","title":"The statistical disturbance bound of quantum measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.15874","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:94f1e71169216ffa929cb4f04267c86615dced73223ac2360fcfa8b167aad425","target":"record","created_at":"2026-07-20T01:19:14Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"273361762f50a43d5157832b29ee00454df98a891b8932b28442189f483ba6c6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-17T11:41:22Z","title_canon_sha256":"bf5b1d489fdc2316623493859ecb8a44299349480bc50ba8d93de33d151137ff"},"schema_version":"1.0","source":{"id":"2607.15874","kind":"arxiv","version":1}},"canonical_sha256":"cc3f20086441bea1d476e9e6aecc334a4dbbfc6494a578ff4719fe8978de6ea2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cc3f20086441bea1d476e9e6aecc334a4dbbfc6494a578ff4719fe8978de6ea2","first_computed_at":"2026-07-20T01:19:14.817783Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-20T01:19:14.817783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8nQGvwU9bMaeaDETDPQHX3KgC7ixhGpe7EToMrFjp4ZfncB81BFNKuIEYA6fXmBMd5OGzNPm233Ui01SHgDIBg==","signature_status":"signed_v1","signed_at":"2026-07-20T01:19:14.818641Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.15874","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:94f1e71169216ffa929cb4f04267c86615dced73223ac2360fcfa8b167aad425","sha256:7131925d71b4af4e64cccd843f3aed8665aa6b936ba81c2c77886b1d0d7a2396"],"state_sha256":"ad26ce3b8dd609b646a343fa6b1ea151f01e7901b76f0d8112ec914147ca371a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TbxL4vZT2ErDgryYzj4LpluIlvnEyrE3TYtSNmeAUHODtBinHaavYbPViopLhRrALDZzbRBRPAFhqf/38Jb1AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T23:06:04.091191Z","bundle_sha256":"ef5811c26e4bfdc38307b1025ef68b6a010e78c1ba9e6233943775960b75561e"}}